I think the error from croak is sent to warn so maybe you can do something after that error has accrued like this. 
$SIG{__WARN__} = sub {
   my $wn = shift;
   handle_this_error() if $wn =~ /The_Error_Your_After/i;
   warn $wn;
 };

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In reply to Re^3: Error::Simple or eval{} use to capture &Carp::croak by SFLEX
in thread Error::Simple or eval{} use to capture &Carp::croak by Anonymous Monk

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